INEA ME RTU Missing Authentication for Critical Function

published 2023-11-20 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32757

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits: 0; none known

Versions of INEA ME RTU firmware 3.36b and prior do not require authentication to the "root" account on the host system of the device. This could allow an attacker to obtain admin-level access to the host system.

Patch / fix

fixed in 1

inea me_rtu_firmware 3.37

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-304-02 updated 2023-10-31 cvss 9.8

INEA ME RTU

INEA ME RTU <=3.36b
affected: vendor fix inea.si

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-09-04)

Exploit prediction

1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

INEA ME RTU
inea me_rtu_firmware

Classification

Weakness

CWE-287 Improper Authentication

References

cisa.gov /news-events/ics-advisories/icsa-23-304-02
government-resource, third-party-advisory, us-government-resource

Sources

CVE List CVE-2023-29155
NVD CVE-2023-29155

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary